After graduation from university, I was assigned to a large state-owned construction enterprise, China Railway No.14 Bureau Co., Ltd. I developed as project manager from junior staff; the projects I managed had been obtained good economic benefit for company. During the period of the company, I mainly involved in large-scale railway, highway, building, infrastructure projects such as on-site construction, contract management, cost management and project management, I was in charge of and participated in many railway, highway and infrastructure projects’ bidding management work.